ICD-10-CM > E00-E89 > E08-E13 > E11 > E11.3 > E11.32 > E11.321 E11.321 Type 2 diabetes mellitus with mild nonproliferative diabetic retinopathy with macular edema Non-Billable/Non-Specific Codes E11.3211..., right eyeE11.3212..., left eyeE11.3213..., bilateralE11.3219..., unspecified eye